Abstract: A transmission line transition that couples RF energy between a coaxial cable and an air dielectric microstrip is provided. In some embodiments, the transition can combine a thin printed circuit board substrate and an insulating surface to form an effective capacitive coupling transition that can couple RF energy from the center conductor of a coaxial cable to an air microstrip. In some embodiments, the transition can include an insulating system affixed to a metallic surface, and the insulating system can secure an airstrip conductor in close proximity to an inner conductor of a coaxial cable to capacitively couple the airstrip conductor to the inner conductor of the coaxial cable. In some embodiments, the transition can employ a metallic body coated with an insulating surface to capacitively couple RF energy from the center conductor of the coaxial cable to the air microstrip.

Abstract: An antenna structure includes a feed portion, a ground portion, a first radiating body, a second radiating body and a third radiating body. The first radiating body is connected to the feed portion and configured to obtain a first resonance frequency band. The second radiating body is connected to the feed portion. The third radiating body includes a first connection section connected the ground end, a second connection section, and a third connection section perpendicularly connected between the first connection section and the second connection section. The first connection section and the second connection section are positioned at two opposite sides of the second radiating body so that the third radiating body and the second radiating body cooperatively obtain a second resonance frequency band.

Abstract: An antenna device includes a first triplate line and one or more second triplate lines that are connected to the first triplate line so as to cross the first triplate line. Two ground plates of each second triplate line include respective flange portions that are in contact with and fixed to a surface of one of two ground plates of the first triplate line. At least one of a surface of each flange portion that contacts the one of the ground plates of the first triplate line and the surface of the one of the ground plates of the first triplate line that contacts each flange portion is provided with an irregular portion for reducing a contact area between each flange portion and the one of the ground plates.

Abstract: An apparatus including an antenna; a first part including a first ground plane portion; a second part including a second ground plane portion; a first electrical connection between the first part and the second part; and a second electrical connection between the first ground plane portion and the second ground plane portion that includes a reactive component.

Abstract: An antenna configuration is particularly suitable for use within a front panel assembly of an electronic device, such as a set-top box. According to an exemplary embodiment, the electronic device includes a chassis, a printed circuit board and an F-shaped antenna. The printed circuit board includes a ground portion and a dielectric portion. The ground portion is electrically coupled to the chassis. The F-shaped antenna includes a first portion, a second portion and a third portion. The first portion of the F-shaped antenna extends along the dielectric portion of the printed circuit board. The second portion of the F-shaped antenna is electrically coupled to the ground portion of the printed circuit board. The third portion of the F-shaped antenna extends between the ground portion and the dielectric portion of the printed circuit board and is electrically coupled to a signal processor via a reactive element (jX1, Jx2).

Abstract: An electronic device is provided. The electronic device includes a conductive housing, a first antenna element, a second antenna element and an insulation structure. The first antenna element is disposed in the conductive housing. The second antenna element is disposed on an external surface of the conductive housing and is opposite to the first antenna element. The conductive housing generates a first current in response to the operation of the second antenna element. The insulation structure penetrates through the conductive housing and extends from at least one side of the conductive housing to the second antenna element. The conductive housing generates an induction current in response to the operation of the first antenna element. The insulation structure blocks the induction current so that the conductive housing generates a second current, and a direction of the first current is the same as a direction of the second current.

Abstract: A dual band antenna includes a first radiating portion, a second radiating portion, and a resonating portion. The first radiating portion includes a first feeding arm that feeds first signals at a first frequency band. The second radiating portion is positioned spaced apart from the first radiating portion. The second radiating portion includes a second feeding arm that feeds second signals at a second frequency band. The resonating portion is connected between the first radiating portion and the second radiating portion. The resonating portion resonates with the first and second radiating portions to generate two different frequency bands, so that the dual band antenna receives and sends wireless signals at the first and second frequency bands.

Abstract: A quad-band internal antenna may include an antenna radiating element, a first slotted hole and a second slotted hole arranged on a printed circuit board. The first slotted hole may be arranged along a direction perpendicular to the current flow direction of the printed circuit board, and the second slotted hole may be arranged between a ground pin and a feed pin of the antenna radiating element, such that the first slotted hole and the second slotted hole are both open slotted holes.

Abstract: A conformal channel monopole antenna system includes: a housing; a cavity formed within the housing; and a substrate covering the cavity. The substrate includes a first elongated radiating element coupled to two opposing sides of the top surface of the housing at two opposing ends in a first direction; a second elongated radiating element coupled another two opposing sides of the top surface of the housing at two opposing ends in a second direction orthogonal to the first direction; a first feed port at one end of the first elongated radiating element; and a second feed port at one end of the second elongated radiating element. The first elongated radiating element is configured to radiate a first type of polarization and the second elongated radiating element is configured to radiate a second type of polarization simultaneously with the first type of polarization.

Abstract: Antenna structures and methods of operating the same of a configurable antenna of an electronic device are described. A configurable antenna includes a first antenna element coupled to a radio frequency (RF) feed, a controllable circuit coupled to the first antenna element and a second antenna element coupled to the controllable circuit. The controllable circuit is configured to electrically isolate the first antenna element and the second antenna element to configure the antenna structure to operate in a first antenna configuration having a first length and to electrically connect the first antenna element and the second antenna element to configure the antenna structure to operate in a second antenna configuration having a second length.

Abstract: A penta-band internal antenna and a mobile communication terminal may include: a first high-frequency branch, a second high-frequency branch, and a low-frequency branch of an antenna radiating element, and a first slotted hole and a second slotted hole arranged on a printed circuit board. The first slotted hole may be arranged along a direction substantially perpendicular to the current flow direction of the printed circuit board. The open-circuit end of the low-frequency branch may be fitted into the first slotted hole and the open-circuit end of the second high-frequency branch may be fitted into the second slotted hole.

Abstract: An integrated antenna package includes an interposer, an integrated circuit die, and a cap that forms a cavity within the integrated antenna package. A lossy ERG structure resides at the cap overlying the integrated circuit device. A lossless EBG structure resides at the cap overlying a microstrip feedline. A radar module includes a plurality of receive portions, each receive portion including a parabolic structure having a reflective surface, an absorber structure, a lens, and an antenna.

Abstract: An antenna device, includes: a ground plate to which first and second antennas, each including a radiating element and a ground terminal, are connected, with one of the first and second antennas being powered, the ground plate including: a first slit extending from a portion where the ground terminal of one antenna of the first and second antennas is connected to the ground plate, in a direction along to the ground terminal, and a second slit extending from the tip of the first slit in a direction along to the radiating element.

Abstract: A system, device, and method for a broad-band array antenna are presented. More particularly, the application relates to a broad-band fragmented aperture phased array antenna for the Ka, K, and/or Ku frequency bands. In various exemplary embodiments, the antenna system may support dynamic polarization degradation correction. In one exemplary embodiment a method and system for a broad-band fragmented aperture phased array antenna for the Ka, K, and/or Ku frequency band is presented. In one exemplary embodiment, the fragmented aperture design functions in one or more of the Ku-band, K-band, and/or Ka-band. In another exemplary embodiment, the antenna system may include full electronic polarization agility. In one exemplary embodiment, the antenna system may further comprise a printed circuit board radiating element. The printed circuit board radiating element may be configured to function as an antenna. In one exemplary embodiment, the antenna system may support operation over multiple frequency bands.

Abstract: An antenna includes first and second radiation portions including one lead wire that is folded back into a loop shape to define a folded-back portion and that includes a first power feed portion at a first end and a second power feed portion at a second end. The lead wire portion extending toward the folded-back portion and the lead wire portion extending through the folded-back portion are close enough to each other near each of the first and second power feed portions in the first and second radiation portions, respectively, to be electromagnetically coupled to each other. The power feed portions of the antenna are coupled to a wireless IC chip. The power feed portions may be coupled to a feed circuit in a feed circuit board coupled to a wireless IC.

Abstract: A patch antenna includes a ground electrode arranged on one surface of a dielectric layer, a first patch which has a shape of a trapezoid, is arranged inside the dielectric layer and radiates a signal having a first frequency, a second patch which has a shape of a trapezoid, is arranged on the other surface of the dielectric layer and radiates a signal having a second frequency, and two conductors which connect the short sides of the two patches with the ground electrode. The two patches are arranged such that the short sides are both located on the side of the same end of the dielectric layer. The first patch is fed power via a feeding point near the short side, and the second patch is fed power via a feeding point which is located between the end of the dielectric layer and the short side of the first patch.

Abstract: Methods and systems for extending a bandwidth of a dual-folded monopole antenna of a user device are described. A dual-folded monopole antenna includes a first folded monopole structure coupled to a single radio frequency (RF) input and a parasitic folded monopole structure coupled to a ground plane. The first folded monopole structure is configured to operate as a feeding structure to a parasitic folded monopole structure that is not conductively connected to the RF input.

Abstract: A mobile terminal is disclosed. The mobile terminal may include a front case, a rear case installed to a rear of the front case, an antenna module provided to the rear of the front case, the antenna module including a first region provided at a first edge portion of the front case and a second region provided at a second edge portion of the front case and a speaker provided between the first region of the antenna module and the front case to output sound to a space between the antenna module and the front case.

Abstract: A communication device including a ground plane and an antenna element is provided. An edge of the ground plane is embedded with a notch, which has at least a first edge and a second edge. The antenna element, disposed at the notch, has at least a first operating frequency band and a second operating frequency band. The antenna element includes a first conductive portion and a second conductive portion. The first conductive portion has a starting terminal, electrically coupled to the first edge of the notch through a signal source, as a feeding terminal of the antenna element. A capacitive coupling portion is formed between an end terminal of the first conductive portion and the ground plane. The second conductive portion has a shorting terminal electrically coupled or connected to the second edge of the notch.

Abstract: A multiband antenna includes a feed end, a first ground end, a second ground end, a ground path, parasitic member, a first resonating member, and a second resonating member. The ground path is connected between the feed end and the first ground end. The first resonating member operates at a low frequency resonating mode. The second resonating member operates at a high frequency resonating mode. The second resonating member includes a first bent portion and a second bent portion. The first bent portion is coupled with the parasitic member to widen a bandwidth of the second resonating member at the high frequency resonating mode. The second bent portion is coupled with the first resonating member to reduce an electrical length of the first resonating member.